<div class="gadget">
    <form name="signin" method="post" action="<?php echo base_url()."index.php/main/signin"?>">
        <table>
            <tr>
                <td>Login: </td>
                <td><input type="text" name="login"></input></td>
            </tr>
            <tr>
                <td>Password: </td>
                <td><input type="password" name="password"></input></td>
            </tr>
        </table>
        <a href="javascript:document.signin.submit()" style="font-weight: bold">Sign In</a>&ensp;&ensp;&ensp;&ensp;&ensp;<a href="#">Registration</a>
    </form>
</div>